mot thua ruong hinh chu nhat co chieu rong 600m,chieu dai gap 3 lan chieu rong
a] HOI dien tich thua ruong do duoc bao nhieu hec ta
b] nguoi ta cay lua tren thua ruong , biet rang cu 100 met vuong thu hoach duoc 62 kg thoc . hoi tren ca thua ruong thu hoach duoc bao nhieu tan thoc
mot thua ruong trong lua hinh chu nhat co chieu dai 120m, chieu rong bang 2/5 chieu dai. biet rang tren thua ruong do, cu 100m2 thu hoach duoc 60kg thoc. hoi nguoi ta thu hoach duoc tat ca bao nhieu kg thoc tren thua ruong do?
mot thua ruong hinh chu nhat co chieu dai 120 m,chieu rong bang 90 m. nguoi ta trong lua tren thua ruong do,trung binh cu 100 m2 thu hoACH duoc 15 kg thoc. HOI;
A) S thua ruong hinh chu nhat do?
B) tren ca thua ruong do,nguoi ta thu hoach duoc bao nhieu ta thoc?
mot thua ruong hinh chu nhat co chieu rong 600m,chieu dai gap 3 lan chieu rong
a] HOI dien tich thua ruong do duoc bao nhieu hec ta
b] nguoi ta cay lua tren thua ruong , biet rang cu 100 met vuong thu hoach duoc 62 kg thoc . hoi tren ca thua ruong thu hoach duoc bao nhieu tan thoc
thua ruong thu nhat co dien tich kem hon thua ruong thu hai la 120 m .dien tich thua ruong thu nhat = 2/5 thua ruong thu hai. ngtuoi ta cay lua o hai thua ruong.trung binh 100 m thi thu hoach duoc 75 kg thoc , hoi ca hai thua ruong thu hoach duoc bao nhieu ta thoc
Mot thua ruong hinh thang co day lon 69,6m, day be bang 2/3 day lon, chieu cao 37,5m. Tren thua ruong nguoi ta cay lua, cu 1dam2 thu hoach duoc 68,5 kg thoc. Hoi ca thua ruong thu hoach duoc bao nhieu tan thoc?
mot thua ruong hinh chu nhat co chieu dai 80m va gap doi chieu rong.biet rang cu 100m vuong thu hoach duoc 50kg thoc.hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu kg thoc
Mot thua ruong hinh chu nhat co chu vi 540m, chieu rong bang 4/5 chieu dai. Nguoi ta trong lua tren thua ruong do, trung binh cu 100m2 thu hoach duoc 50kg thoc. Hoi tren thua ruong do nguoi ta thu hoach duoc bao nhieu tan thoc ?
mot thua ruong hinh chu nhat co chieu dai 120 m , chieu rong bang 1/3 chieu dai . trung binh 100m2 thu hoach 50 kg lua . hoi tren ca thua ruong do nguoi ta thu hoach duoc bao nhieu ta thoc